DE2731965C2 - - Google Patents

Info

Publication number
DE2731965C2
DE2731965C2 DE19772731965 DE2731965A DE2731965C2 DE 2731965 C2 DE2731965 C2 DE 2731965C2 DE 19772731965 DE19772731965 DE 19772731965 DE 2731965 A DE2731965 A DE 2731965A DE 2731965 C2 DE2731965 C2 DE 2731965C2
Authority
DE
Germany
Prior art keywords
workpiece
heated
wall
rolling process
deformation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19772731965
Other languages
German (de)
English (en)
Other versions
DE2731965A1 (de
Inventor
Peter 6835 Bruehl De Loeser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19772731965 priority Critical patent/DE2731965A1/de
Publication of DE2731965A1 publication Critical patent/DE2731965A1/de
Application granted granted Critical
Publication of DE2731965C2 publication Critical patent/DE2731965C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0014—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping tubes or blown tubular films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets
    • B29C53/046—Bending or folding of plates or sheets using centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/772—Articles characterised by their shape and not otherwise provided for
    • B29L2031/7724—Conical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
DE19772731965 1977-07-15 1977-07-15 Verfahren zum verformen, insbesondere heissverformen von rohrfoermigen werkstuecken und vorrichtung zur durchfuehrung des verfahrens Granted DE2731965A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772731965 DE2731965A1 (de) 1977-07-15 1977-07-15 Verfahren zum verformen, insbesondere heissverformen von rohrfoermigen werkstuecken und vorrichtung zur durchfuehrung des verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772731965 DE2731965A1 (de) 1977-07-15 1977-07-15 Verfahren zum verformen, insbesondere heissverformen von rohrfoermigen werkstuecken und vorrichtung zur durchfuehrung des verfahrens

Publications (2)

Publication Number Publication Date
DE2731965A1 DE2731965A1 (de) 1979-02-01
DE2731965C2 true DE2731965C2 (fr) 1987-07-02

Family

ID=6013975

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772731965 Granted DE2731965A1 (de) 1977-07-15 1977-07-15 Verfahren zum verformen, insbesondere heissverformen von rohrfoermigen werkstuecken und vorrichtung zur durchfuehrung des verfahrens

Country Status (1)

Country Link
DE (1) DE2731965A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0451268A4 (en) * 1989-10-30 1992-01-08 Asahi Malleable Iron Co., Ltd. Spin molding apparatus
FR2727336B1 (fr) * 1994-11-29 1997-01-31 Asahi Tec Corp Procede de fluotournage d'une roue de vehicule
US5937516A (en) * 1996-12-13 1999-08-17 General Motors Corporation Method for spin forming articles
US6162403A (en) * 1998-11-02 2000-12-19 General Motors Corporation Spin formed vacuum bottle catalytic converter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE70821C (de) * P. HESSE in Iserlohn Walzwerk zur Herstellung von Wellen mit rundem Querschnitt, aber beliebig gestaltetem Längenschnitt
DE517913C (de) * 1927-05-25 1931-02-09 Henry Ernest Rainaud Verfahren zum drehenden Druecken von Zierrohren aus einem rohrfoermigen Werkstueck
AT127763B (de) * 1930-12-20 1932-04-11 Meyer Keller & Cie Ag Metallsc Maschine zur Herstellung hochelastischer Federrohre.
US2142017A (en) * 1932-02-27 1938-12-27 Midland Steel Prod Co Apparatus for expanding sections of tubing
DE860934C (de) * 1944-05-04 1952-12-29 Deutsche Edelstahlwerke Ag Verfahren und Vorrichtung zum Einziehen von zylindrischen Hohlkoerpern und danach hergestellte Kugelflasche, Hochdruckflasche und Wellrohr
DE1002594B (de) * 1951-07-23 1957-02-14 Phoenix Rheinrohr Ag Vorrichtung zum Erzeugen oertlicher Verdickungen an zylindrischen Hohlkoerpern
US2799084A (en) * 1952-04-15 1957-07-16 Mannesmann Ag Process for the manufacture of containers of the bulb and neck type for storing gases under high pressure
DE1452375B2 (de) * 1961-03-02 1970-02-19 Monoweld Engineering Company (Proprietory) Ltd., Johannesburg; Escherich, Rudolf, Braynston, Johannesburg; (Südafrika) Verfahren und Vorrichtung zum lokalen Aufweiten von Metallrohren
AT285290B (de) * 1969-03-03 1970-10-27 Gernot Dr Zippe Verfahren und Vorrichtung zum Herstellen von Sicken in dünnwandigen, harten Blechen
CH511651A (de) * 1970-07-10 1971-08-31 Schwartz Albert Rohrprofiliermaschine
JPS51129328A (en) * 1975-04-07 1976-11-10 Tomio Yoshimura Metal baseball bat and method of producing same

Also Published As

Publication number Publication date
DE2731965A1 (de) 1979-02-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee